Homeland Security’s Cyber-Director Quits

The government’s cyber-security chief has abruptly resigned from the Department of Homeland Security amid a campaign by the technology industry and some lawmakers to persuade the Bush administration to give him more authority and money for programs.

Amit Yoran, a former software executive from Symantec Corp., made his resignation effective Thursday as director of the National Cyber Security Division, giving a single’s day notice of his intention to leave. He kept the job one year.

It was unclear immediately who might succeed him, even temporarily.